/* Header Component - MoogleLabs Inspired Dark Theme */

.header {
  position: -webkit-sticky; /* Safari compatibility */
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
}

/* Enhanced scroll states - keeping only the scrolled state */

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--container-padding);
  max-width: var(--container-max);
  margin: 0 auto;
  background: rgba(10, 14, 39, 0.9);
  border-bottom: 1px solid rgba(128, 128, 128, 0.3);
  backdrop-filter: blur(20px);
  transition: all var(--transition-base);
}

.header--scrolled .header__container {
  background: rgba(10, 14, 39, 0.9);
  backdrop-filter: blur(25px);
  box-shadow: var(--glow-blue);
  border-bottom: 1px solid rgba(128, 128, 128, 0.3);
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-black);
  background: var(--primary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transition: all var(--transition-fast);
  letter-spacing: 0.02em;
}

.header__logo:hover {
  background: var(--secondary-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transform: translateY(-1px);
  filter: drop-shadow(var(--glow-blue));
}

.header__logo-img {
  height: 60px;
  width: auto;
  display: block;
  opacity: 1;
  filter: invert(1) brightness(2);
  transition: all var(--transition-fast);
}

.header__logo:hover .header__logo-img {
  transform: translateY(-1px);
  filter: invert(1) brightness(2) drop-shadow(0 0 8px rgba(0, 102, 204, 0.4));
}

/* Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-2);
  margin: 0;
  padding: 0;
}

.nav__link {
  color: var(--text-gray-300);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  padding: var(--spacing-3) var(--spacing-4);
  position: relative;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
}

.nav__link:hover {
  color: var(--text-white);
  text-decoration: none;
  background: rgba(0, 102, 204, 0.1);
  border-color: rgba(0, 102, 204, 0.3);
  box-shadow: var(--glow-blue);
}

.nav__link--active {
  color: var(--text-white);
  background: rgba(0, 102, 204, 0.2);
  border-color: var(--primary-blue);
  box-shadow: var(--glow-blue);
}

/* Dropdown Navigation */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav__dropdown-icon {
  transition: transform var(--transition-fast);
}

.nav__dropdown:hover .nav__dropdown-icon,
.nav__dropdown-toggle[aria-expanded="true"] .nav__dropdown-icon {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: rgba(10, 14, 39, 0.98);
  backdrop-filter: blur(25px);
  border: 1px solid rgba(0, 102, 204, 0.2);
  border-radius: var(--border-radius);
  box-shadow: var(--glow-blue-strong);
  list-style: none;
  margin: 0;
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 100;
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown-toggle[aria-expanded="true"] + .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-link {
  display: block;
  color: var(--text-gray-300);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav__dropdown-link:hover {
  color: var(--text-white);
  background: rgba(0, 102, 204, 0.1);
  border-color: rgba(0, 102, 204, 0.3);
  text-decoration: none;
  transform: translateX(var(--spacing-1));
}

/* Header CTA */
.header__cta {
  display: none;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001; /* Higher than header for proper layering */
  position: relative;
}

.mobile-menu-btn__line {
  width: 24px;
  height: 2px;
  background: var(--text-white);
  margin: 2px 0;
  transition: all var(--transition-base);
  transform-origin: center;
  border-radius: 1px;
}

.mobile-menu-btn:hover .mobile-menu-btn__line {
  background: var(--primary-blue);
  box-shadow: var(--glow-blue);
}

.mobile-menu-btn--active .mobile-menu-btn__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background: var(--primary-blue);
}

.mobile-menu-btn--active .mobile-menu-btn__line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn--active .mobile-menu-btn__line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
  background: var(--primary-blue);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 14, 39, 0.98);
  backdrop-filter: blur(25px);
  border-right: 1px solid rgba(0, 102, 204, 0.2);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  z-index: 999; /* Below header but above content */
  padding-top: 80px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

.mobile-menu--open {
  transform: translateX(0);
}

.mobile-menu__list {
  list-style: none;
  padding: var(--spacing-6);
  margin: 0;
}

.mobile-menu__item {
  margin-bottom: var(--spacing-2);
}

.mobile-menu__link {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-gray-300);
  padding: var(--spacing-4);
  border-radius: var(--border-radius);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.mobile-menu__link:hover {
  color: var(--text-white);
  text-decoration: none;
  background: rgba(0, 102, 204, 0.1);
  border-color: rgba(0, 102, 204, 0.3);
  transform: translateX(var(--spacing-2));
  box-shadow: var(--glow-blue);
}

.mobile-menu__link--active {
  color: var(--text-white);
  background: rgba(0, 102, 204, 0.2);
  border-color: var(--primary-blue);
  box-shadow: var(--glow-blue);
}

/* Mobile Menu Dropdown */
.mobile-menu__dropdown-toggle::after {
  content: '+';
  margin-left: auto;
  font-size: var(--text-lg);
  transition: transform var(--transition-fast);
}

.mobile-menu__dropdown.open .mobile-menu__dropdown-toggle::after {
  transform: rotate(45deg);
}

.mobile-menu__submenu {
  list-style: none;
  margin: 0;
  padding-left: var(--spacing-4);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.mobile-menu__dropdown.open .mobile-menu__submenu {
  max-height: 400px;
}

.mobile-menu__sublink {
  display: block;
  color: var(--text-gray-400);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
  margin: var(--spacing-1) 0;
}

.mobile-menu__sublink:hover {
  color: var(--text-white);
  background: rgba(0, 102, 204, 0.1);
  border-color: rgba(0, 102, 204, 0.3);
  text-decoration: none;
  transform: translateX(var(--spacing-2));
}

.mobile-menu__cta {
  margin-top: var(--spacing-8);
  padding: 0 var(--spacing-6);
}

/* Floating Elements for Visual Interest */
.header::before {
  content: '';
  position: absolute;
  top: 0;
  right: 20%;
  width: 100px;
  height: 100px;
  background: var(--primary-gradient);
  border-radius: 50%;
  opacity: 0.05;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 60px;
  height: 60px;
  background: var(--secondary-gradient);
  border-radius: 50%;
  opacity: 0.03;
  animation: float 6s ease-in-out infinite reverse;
  pointer-events: none;
}

/* Tablet Breakpoint */
@media (min-width: 768px) {
  .nav {
    display: block;
  }
  
  .header__cta {
    display: block;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .mobile-menu {
    display: none;
  }
  
  .nav__list {
    gap: var(--spacing-4);
  }
  
  .nav__link {
    font-size: var(--text-base);
  }
}

/* Desktop Breakpoint */
@media (min-width: 1024px) {
  .header__container {
    padding: var(--spacing-5) var(--container-padding);
  }
  
  .nav__list {
    gap: var(--spacing-6);
  }
  
  .header__logo {
    font-size: var(--text-2xl);
  }
}

/* Large Desktop */
@media (min-width: 1200px) {
  .nav__list {
    gap: var(--spacing-8);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .header::before,
  .header::after {
    animation: none;
  }
}